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| Home > Publications database > SO$_{3}$-Entwicklung aus wasserfreiem $\alpha$-CoSO$_{4}$ : Gasgleichgewicht und kinetische Einstellung |
| Home > Publications database > SO$_{3}$-Entwicklung aus wasserfreiem $\alpha$-CoSO$_{4}$ : Gasgleichgewicht und kinetische Einstellung |
| Book/Report | FZJ-2018-01055 |
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1977
Kernforschungsanlage Jülich, Verlag
Jülich
Please use a persistent id in citations: http://hdl.handle.net/2128/16978
Report No.: Juel-1443
Abstract: The experiments described in this report have been conducted within the scope of the"IHydrogen" R & D programme of KFA Jülich GmbH. Starting from a cyclic sulphate process for the thermochemical splitting of water into hydrogen and oxygen by means of nuclear heat of high temperature from hightemperature reactors, the thermal decomposition of anhydrous $\alpha$-cobalt sulphate is being examined experimentally. Radiographic investigations of the solid decomposition products reveal the presence of two different cobalt oxides. When effecting decomposition at temperatures below 1082 K, pure CoO is found, whereas above 1106 K pure Co$_{3}$O$_{4}$ is being detected. Furthermore it was proved - in accordance with the findings outlined by Warner - that anhydrous cobalt sulphate occurs in two different modifications. The values specified by Bodenstein and Pohl for the equilibrium constant of SO$_{3}$ splitting have been confirmed experimentally in the temperature range between 980 and 1080 K. In the course of an experiment to investigate the kinetics of the SO$_{3}$ splitting, the reaction was found to be of the third order. However, this statement would require substantiation by further experiments.
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